Adjustable form



June 11, 1935. s. l. BUSH ADJUSTABLE FORM Filed May 21, .1954

2 Sheets-Sheet 1 EEWEEEEEEg Samuel 1. 13 ash S. I. BUSH ADJUSTABLE FORM Filed May 21, 1934 June 11, 1935.

2 SheetsSheet 2 Samuel I. Bush,'irManassas, l Va.

s Ob t he odu i n ,may; bemused in the construction of forms as welltasthe support'of scaffolds and the like, and

uby ineans of; which thedarge waste of lumber comni'only ne cessary andthe loss 1 tinggandfittingvthe lumber may be greatly re-- duce d and in many instances entirely eliminated.

' fl istilliurther object of this invention is' the efiicient frame comproduction; ofa simple and prising longitudinally it extending interlocking v Inembers v which mayt-be connected or braced together bymeans of adjustable transversely ex-l t {A s ill ur her bje t tending connecting and bracing members.

thisinvention is; the

m many different combinations;

mo he ob "I t-the raWine l Figure 1 is a plan tiwiofa part of a form v constructed in accordance 5 withrthe present ina the br e A one of the longitudinal frame members;

Figure 5 is adetail, perspectiveof one of the washer plates; t I a t t; Figure 6 {is a longitudinal sectional view portion of: the upper end' tudinal frame i "Figure 7 is 1 through one end of the adjustable turnbuckle devertical sectional viewthrough a members,- r v Figure 8 -is a 'sectionttaken on line 8,-8 of Fig- Figurer is man a perspective View o fithe qwsr nd to e of iram i e l 55 l l 'igure tlg is atrans verse sectionalview throughd 1 1l ln pli ti may 2 1, 1ee4lsr i l V i v 14 Claims. (.oi. -131) riventionrelates toadjustable forms and ti e getlier; of time in cut- I Figure 14 is transverse {sectional View taken .on'line |4 I4 of clampingplates;

of anchoring and'connecting a extendin i Eiguretl'lis the manner of attaching a and advantages of the present .inv n ion v lga rt t o gh u i g iq lowm t egi ga ibn a la m w taken: on line 2+2 of o n if t e a o e jadjoining' section. By particularly considering Figures 3, 7 and 9,the particular type of the-longitudinal or elongated i of'theJturnbuckle brace illustrating the manner 55 g h H I n H l nerlbeing employedfor supporting afscaffold; ,vision oii a siniple and efficient device which a Figure 12 is a front elevation illu strating. the manner of clamping and connecti'ngltwo abutnds oi'the elongated frame'members tolo Figure 13 is a section takenon' the line l3; l3 T ofFigure 12;

Figure'l2j l Figure l5,is a perspective View of one ofthe i Figure 16 is a front elevation of a portion ofone end of one oflthe elongated framemeinbers illusl tratingf the upper. end thereof and the' manner right-angularly frame member thereto; f I v asection takent on line I1l1 of i ur T fi ure 1811's a rerticalsectional view illustrating 25 members;

, ends'to prov de a form or frame ofsuitable length. Theseelongated frame members of v the same length to pro-videjstandard sections, each section having dove-'tail'notches" H formed It] are preferably in t h eir respective ends, the dove tail notches H in one section beingafiaptedlto interlock with the noted, these notches being of integrally connecting webs "apertures or bers'lfl, as shown in Figure 10.

member In, the opposite end having the dove-tail notches i I formed in the reverse faces to provide a proper and emcient interlocking joint.

Each elongated frame member lil preferably comprises a pair of parallel angle-like ribs M which are connected at spaced intervals by means l for dividing each elongated frame member ID with end channels 13 and a central channel l6. Within each end channel l3 of the members H) is pivotally secured a threaded nut H, the nut I! being journaled upon the supporting pins Hi.

When the elongated frame members Ill are assembled to extend in vertical alignment for supporting a ceiling, scafiold, or other similar construction, it is preferable that the members lites shown in Figures 12 and 13 be braced at their interlocking joint connection by means of a flat bracing plate It, the plate fitting flatagainst one side of the members l8 and spanning the connecting dove-tail joint I I.

v This plate is preferably wider than the width ofthe members Ill, as shown inj'Figure l2 and carries a plurality of beaded bolts which extend through the apertures 2| of the plate is, nuts 22 being threaded upon the headed bolts 28.

The headed bolts are adapted to overhang the side edges of the members H), as shown in Figure 12. v

If desired, aclamping yoke 23 may be secured at the point of junction between the aligned frame members, the yoke 23 being provided with a threaded stem 24 which may extend through the channels i3 and pass through the apertures "25 formed in the plate andreceive a nut 26 for holding the clamping yoke in position. This clamping yoke23carriesatits outer end a pivot head block 21 which head block 21 is provided with athreaded aperture 28 extending longitudifnally thereof, thehead block 21 being also provided with laterally extending flanges 29 which extendat right an'gles to the side arms 31} of the clamping yoke '23. A threaded rod 3| may be threaded into'the aperture28 for the purpose of facilitating the connection of a transverse brace. As is shown in Figures 4 and 14, the threaded 1nd; [is of a standard type, this type of rod being 'duplic ated-in'many instances in orderto provide interfitti'ng connection in various assemblies. The rod3l is provided with bifurcated ends 32 and the head block 21 is provided with an aperture33 for receiving a locking pin 3 which pin 34is adapted to fit'into the aperture 33 and interlock with one ofthe bifurcated ends 32 and hold the'rod' 3! against-rotation, after it has once been adjusted. I gages the bifurcated ends 32 of the rod 3| will be clearly understood by considering Figure 6.

The manner in which thispin 36 en- This clamping yoke 23 may be used in various ways and for the purpose of forming a connection withone of the "elongated frame members Hi,

the yoke I!) may be positioned as is shown in Figure 10 so as to allow the extension flanges 29 to overhang the edges of the centrally located slots formed in the elongated mem- The yoke member 23 is of sufficient width to normally overhang the edges of the elongated members, as is shown in Figure 14, but when turned at right angles to this position, such as is shown in Figure 10, may easily'slide through these apertures, Figure 10 being an enlarged view for the purpose of illusthe head block2 l is fi forthe purpose of enformed in the elongated of these braces or members ID. If desired, in the assembly shown in Figure 10, washer plates 35 may be placed upon the threaded shank 24, these washer plates 35 having shoulder portions 36 formed thereon, and also having concave inner faces 31. A detail of one of these plates is shown in Figure 5. This plate may be used in the assembly such as is shown in Figures 1 and 2 when desired, the shoulders 36 being adapted to engage the inner faces of the angle-like=rails l4 and act as a support for the threaded shank 24, as shown. 1 I

In assembling the bracing member, which is of a turnbuckle type, the yoke members 23 may be employed and support the rods 3! previously described. These rods 3| in turn are threaded into internally threaded sleeves 3B and the sleeves 38 are provided with apertures 39 near their ends for receiving pins 40 which pins are adapted to fit into and engage the bifurcated ends 32 of the threaded rods 3|, thereby holding these rods in an adjusted position Preferably two of these yoke 'me'inbeis 2'3 and connecting rods 3i are employed with s'u'itable slee'ves 38,

such as are shown in t'he a'ssembled illustration 38 for the purpose of "drawing"these sleeves to- 1 I ward each other or spreading the -same 'apartfi depending upon the directio'nd'n which the turnbuckle rod M is rotated. --A centralapert'ure-lfls formed in the turnbuckle rod *4 I to facilitate the insertion of an operating rod or bar. Fro'rnthe v foregoing description it will be seeLntha't in' the type shown in Figure "l, as well as in Figure 1 1, this turnbuckle member ma-y be spread apart "Or drawn together to properly adjust "an'd bra'ce a mold or other framework. In the structure shown inFigure ll illustratin'gthe-corner'bralce,

I preferably employ two of these turnbuckle members, one extending in a vertical positionas shown, and thecthereXtendin'g'at an angle-of approximately forty-five degrees.

varied depending upon the character ot the work, and the type of assembly desired.

Byconsidering-Figures 1'6 and "17 one form of the assembly is illustrated, f disclosing the manner of attaching two of "the elongated' fra'me members together to form' a convenient'connection byutilizingthe pivotall'y connectednuts l1 described above. These'nuts l 'l are aspreyi'ously described, pivotally connected within the channels 1 t3 and -when the'elongated frame members l0 are assembled, as shown in Figures'lfi and 17, an-anchoringbolt 4 3is employed 'having a threaded lower end "and a reduced *u'nthreaded shank lb adjaceht its head 16-. 'I'n this 'way, the bolt 43 may be thr'eaded through the "4 upper nut ll, such as shown in Figiire l 'lfi uhtil the re'ducedextension fi is 'broug'ht into i'gistration with the threaded openingin the hut F1.

The bolt 43 may "then fre'ely rotate in the upper r "permitting i a proper 6 5 nut for the purpos threading engagement with the lower nut eg "ried by the right angularlyextending elongated frame member. The 'liead ifids adapted-"to overhang the horizontally extending frame member ll! so as" to provide a firm joint connection.

A further assembly is illustrated in Fig ure lB,

"wherein a vertieal=elonga.ted-frahie member In engages a horizontallyextending 'framemierfiber l!) which is supported intermediate its ehds. The bracin plate P9 previously described ma g The position turnbuckle members may be be used in this assembly as illustrated, a bolt frame member is the structureof the elements and the vertically extending elongated he' headlfi 0f the bolt 43 As shown in Figures 19'and*20 a further assembled' view is illustrated disclosing two of the bracing members ed in conjunctionwith the vertically rextending of the: turnbuckle type mountelongated frame member I0. One, of thezwasher plates 35,p'reviously described is used in this as--. :sembly, the concave portion 3'! thereof con stisupporting the threaded as illustrated, .the anchoring the aperture 42. From the form formany types of. building structure elim-,

' inatingthe necessity of,;the cuttingand wasting ,oflumber'. 1 i i Theimporta nt part of the present invention oing to make up this assembly, and it is notdesired to limit' this invention to any particular method of as- .,sembly.

t It should be understood that certain detail changes in the mechanical construction-combiployed without departingfrom the spirit off'the as these changes fall within supporting heads of nation and arrangementf'of parts may be emin'vention so long the: scope of the appended claims.

Having-described the invention, what is claimed 1. An adjustable form an-d'fthe like comprising. having longitudinally, extending openings formed throughout the length,

elongated frame members thereof yoke members adapted toengage said frame members and extend through said openings,

meansfor clamping the yoke members upon said frame members, adjustable expansion means detachably engaging the yoke sionmeans to said yoke members. 2. An adjustable frame for use in rality of elongated members, adjustable bracing members adapted to be located intermediate the elongated frame members, yoke members slidably mountedupon the frame justable means adapted to engage the pivoted necting said expansible brace members to said yoke members. i t V 3. An expansible bracing member comprising a plurality of internally threaded sleeves, an in-;

termediate threading member engaging:.said

Y sleeves having the ends thereof threaded in opposite directions for drawing said sleeves together or spreading the same apart as saidintermediate member is rotated in a selected direction, re-

43 previously described may beextended thrdugh "the horizontally extending'i elongated In so as to allow the lowerthreaded portion) of the bolt 43 to it I carried by the frame-member m; may be'ofa greater width than the channels 13- "and 1.6 of the frame member ID, to, permit, the

-head 46to overhang the sides of the channels. The bolts 20 firmly :gr'ip the horizontal frame member ID and hold the horizontal framememberwlfl against longitudinal shifting, therebyre- "lieving strain fromthe head-46 of thebo1t34.

engage the nut 3 the-outer extremities means :forengaging said been proproviding a s ing opposite ends of said rods.

in oppositedirections, "together o-r spreadingv the same apart as saidsin Itermediate member is'rotated in a selected direction,*removable threaded rods threaded intofthe: outer extremities of said sleeves, anchoring yoke' members, and means" for pivotally connecting the adjustable expanmembers and extending therethrough, means for clamping the yoke mem: bers in an adjusted position, each yoke member provided with a pivoted supporting head, andadbers, pivoted heads said yoke members for conextremities of saidgsleeves,anchoring yoke mem mo'va ble threaded rods. threaded into the outer bers, pivoted heads' carried by said-yoke members, 1

and said last 5 intermediate 'expansibl threadingmember engagingsaid"sleeves having' the ends thereof i sleeves, together orl spreading the same apart? as threaded m opposite directions 1 for drawing said mentionedrods being threaded into said intermediatemember isrotate d'in a selected direction, removablethreaded rods threaded into g of said sleevesfanchorifig. yoke members, pivoted heads carried bysaidyoke l members said last mentioned rods beingthreadedfintos'aid pivotedheads,and said heads having? dental-rotation.

ed in opposite directions for drawingsaid sleeves" together or spreading the same apart-as saidintionj removable threaded rods threaded into the outer extremities 'of said sleevesjanchoring yoke membersgpivoted heads harried by said "yoke members, said-last mentioned rods being threaded 'intosa'id pivoted heads; said pinshaving notched ends, removable rods'engagingsaid pivoted heads a a last mentioned rods for) locking said last mentionedrodsr against'acci- 0 5; An expansible' bracing member comprising;

a plurality of. internally threaded sleeves, an intermediate expansible-threading member engagtermediate member is rotatedina selected direc' for-fitting intolsaid notches and locking-said? rods? againstrotation with respect to said head, and similarly engag-' pins carried by said sleeves for 6." An expansible bracing member comprising a plurality of internally threaded sleeves, an intermediate expansible threading member engagj ing' s id s1 eves having the: ends thereof threaded for drawing said" sleeves members, pivoted heads carried l by said yoke laterally extending shoulders to constitute abut:

ments tofacilitate the supporting of said heads and yokes in a clamped position. i

7; An expansiblebracing member comprising i,

a plurality of'internally threaded sleeves, an int termediate threading member engaging 'said constructin forms, scaiTolds, and the like, comprising a plu-,

sleeves having the ends thereof. threadedjin op posite directions for drawing said sleeves together or spreading the same apart as saidinter- 1' mediate member is rotatedin a selected direction,

removable threaded rods threaded into th-efouter extremities of said sleeves, anchoring yoke memsaid last mentioned-rods being threaded into said carried bylsaid yoke members,

pivoted heads, eachyoke having athreaded exr tension rod, a nut threaded onsaid threaded ex-, tension rod, and the yoke being of substantial anabutment shoulder, at the width to constitute pointofjunctionof said threaded rod with said I openings, washer gated openings, :clamping nuts for clamping said washer mlates imposition, said yoke members being ofqgreater width than said openings for overhanging thegsi deedges of said openings, and 'pivotally mounted heads carried by said yoke mem- 9. In combination with a plurality of elongated frame members having elongated openings formed :therein, yoke members having threaded extensions projecting through said openings, washer plates fitted upon said threaded extensions and ghaving shoulders adapted to igatedopeningaclamping nuts for clamping said fit within said elonwasherplates in positiomsaid yoke members being ;of1greater;width than said openings for overhang- ,ing the side edges of .n ounted heads carried by said yoke members, said {yoke mernbers sald openings; pivotally being sufficiently narrow when turned in one direction to extend through said openings in said frame members, and said heads havingoverhanging flanges of sufiicient width to overhang the side edges of the elongated openings of said framemembers when said yoke member extends through said openings.

10. A frame of the class described comprising a plurality offrame members of a substantially .angle-beam-structure, the angle-beams being integrally connected at spaced intervals to provide elongated openings at the endsand intermediate the'ends of the frame members, internally threaded members being journaled for rotarymove the, threaded nut in anadjoining member to provide a clamping locking engagement between two ,adjoinin'g members.

plurality of frame formed therein, an internally threaded pivoted classdescribedcomprising a members having openings 12. :A frame of the nut carried near each end of each frame member, a'threaded boltlhaving an enlarged head and. a reduced shank near one end, the reduced shank being adapted to extend through the opening formed in one frame member to permit the engagement with the threaded nut in an adjoining member to provide a clamping locking engagement between two adjoining members, the head of the bolt beingof greater width than the width of the opening formed in the frame member, an abutting supporting plate adapted to engage one member and support an adjoining member,

and clamping bolts carried by the plate for anchoring the plate in engagement with one of the frame members, and holding the frame member against lateral shifting.

,13. .A frame of the class described comprising a plurality of elongated frame members having interlocking dove-tail notches formed in their overlapping adjacent faces to prevent longitudinal relative movement and permit lateral displacement, a-bracing plate between two abutting frame members, a brace connection carried by the plate andextending through'the frame members, and headed' bolts carried by the plate and overhanging the frame members for lockingsaid bracingplate in engagement with the frame members.

14. In combination with an elongated frame member, a cradle plate supported upon one end oi said'frame member and having a concave upper face, a threaded nut secured near the upper end of said frame member, a locking bolt, an expansible brace lying within said concave face of said cradle member, said locking bolt passing through said expansible brace and engaging said nut, frame member and engaging the outer end of said first mentioned expansible bracel SAMUELI'. BUSH,

adapted to'span the joint and an expansible brace'anchored upon said 

